Quick Facts
| Attribute |
Value |
| Magnet Type |
Neodymium Rare Earth Disc Magnet |
| Grade |
N42 |
| Shape |
Disc |
| Diameter |
0.5" (12.7 mm) |
| Thickness |
0.1875" (4.76 mm) |
| Pull Force |
Approx. 10.5 lbs |
| Material |
NdFeB (Neodymium-Iron-Boron) |
| Coating |
Nickel-Copper-Nickel (Ni-Cu-Ni) |
| Magnetization |
Through Thickness |
| Br Max |
13,200 Gauss |
| Certification |
ISO Certified |
Quick Answers
| Question |
Answer |
| What is this magnet made of? |
NdFeB (Neodymium-Iron-Boron) rare earth material |
| How strong is this magnet? |
Approximate pull force of 10.5 lbs under ideal conditions |
| Is N42 stronger than N35 magnets? |
Yes, N42 provides greater magnetic strength and holding power |
| Can this magnet rust? |
The Ni-Cu-Ni coating helps protect against corrosion |
| Can it be used outdoors? |
Yes, but additional protection is recommended for long-term outdoor use |
| What direction is it magnetized? |
Through the thickness |
| What is this magnet commonly used for? |
Manufacturing, engineering, robotics, workshop organization, science projects, and DIY applications |
Product Overview
The Applied Magnets N42 Neodymium Disc Magnet combines powerful magnetic performance with a compact design. Measuring 0.5" in diameter and 0.1875" thick, this rare earth magnet delivers approximately 10.5 lbs of pull force while maintaining excellent durability and corrosion resistance.
Manufactured from premium NdFeB material and protected by a Nickel-Copper-Nickel triple-layer coating, this disc magnet provides reliable magnetic strength and long-lasting performance. It is ideal for industrial applications, product development, magnetic assemblies, workshop organization, educational projects, and custom engineering solutions.
What Is a Neodymium Disc Magnet?
A neodymium disc magnet is a permanent rare earth magnet made from neodymium, iron, and boron (NdFeB). Neodymium magnets are among the strongest commercially available permanent magnets and are widely used in industrial, commercial, scientific, and consumer applications.
Disc magnets are one of the most versatile magnet shapes, offering strong magnetic force in a compact, low-profile design. They are commonly used in magnetic closures, fixtures, sensors, electronics, robotics, and product assemblies.
Neodymium magnets are also known as Neo magnets, NdFeB magnets, NIB magnets, or super magnets.
How Strong Is This Magnet?
This 0.5-inch diameter N42 neodymium disc magnet provides an approximate pull force of 10.5 lbs under ideal testing conditions.
Actual holding force may vary depending on:
-
Surface material
-
Steel thickness
-
Contact area
-
Air gap
-
Mounting method
-
Environmental conditions
For maximum holding power, use this magnet against a clean, flat, thick steel surface.
Note: Pull force values are estimates only. Actual performance should be tested and verified for your specific application.
Technical Specifications
| Specification |
Value |
| Grade |
N42 |
| Shape |
Disc |
| Diameter |
0.5" |
| Thickness |
0.1875" |
| Pull Force |
Approx. 10.5 lbs |
| Material |
NdFeB Rare Earth |
| Coating |
Nickel-Copper-Nickel |
| Magnetization Direction |
Through Thickness |
| Br Max |
13,200 Gauss |
| Certification |
ISO Certified |
Magnet Grade Comparison
| Grade |
Relative Strength |
Typical Applications |
| N35 |
Standard |
General-purpose magnets |
| N38 |
Moderate |
Consumer products |
| N40 |
High |
Industrial and commercial use |
| N42 |
Higher |
Engineering, manufacturing, robotics |
| N52 |
Maximum |
High-performance applications |
N42 magnets offer stronger magnetic performance than N35, N38, and N40 magnets while providing an excellent balance of strength, reliability, and value.
Applications by Industry
| Industry |
Common Uses |
| Manufacturing |
Fixtures, jigs, magnetic assemblies |
| Engineering |
Product development and prototyping |
| Robotics |
Sensors, positioning systems, magnetic attachments |
| Electronics |
Mounting components and assemblies |
| Education |
STEM projects and science demonstrations |
| Research |
Laboratory experiments and testing |
| Workshop & Garage |
Tool organization and storage systems |
| DIY & Makers |
Crafts, inventions, home improvement projects |
Common Questions About This Magnet
Is N42 stronger than N35 magnets?
Yes. N42 magnets provide greater magnetic strength and holding power than N35 magnets of the same size and shape.
What is the pull force of this magnet?
This magnet provides approximately 10.5 lbs of pull force under ideal testing conditions.
Is this magnet coated?
Yes. It features a Nickel-Copper-Nickel triple-layer coating that helps protect against corrosion, oxidation, and surface wear.
Can this magnet rust?
The protective coating helps prevent corrosion. However, if the coating becomes damaged and the magnet is exposed to moisture, corrosion may occur over time.
Can this magnet be used outdoors?
It can be used outdoors temporarily, but additional protection is recommended for long-term outdoor exposure or humid environments.
What direction is the magnetized orientation?
This magnet is magnetized through the thickness, with opposite poles located on the two flat circular faces.
Is the pull force guaranteed?
No. The stated 10.5 lb pull force is an estimate based on ideal testing conditions. Actual performance should be verified in your application.
Do you offer wholesale pricing?
Yes. Applied Magnets offers volume discounts and wholesale pricing for commercial, industrial, educational, and OEM customers.
Why Buy From Applied Magnets?
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Premium N42 rare earth magnets
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Consistent magnetic performance
-
ISO-certified manufacturing standards
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Durable Nickel-Copper-Nickel coating
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Competitive pricing and bulk discounts
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Trusted by engineers, manufacturers, educators, and makers worldwide
Contact Applied Magnets for wholesale pricing, volume discounts, and custom magnetic solutions.
